Contact ICON
An overview of our contact details
On this page you will find an overview of our contact details.
You can choose how you would like to contact us.
By phone
We are available Monday through Friday from 8:30 am to 5:00 pm.
Please note: We are unavailable on Whit Monday (May 25).
If you call from the Netherlands, dial:
0800-0292044 (toll-free)
If you call from Belgium, dial:
0800-89036 (toll-free) or 0031-50-8505 798
If you call from Germany, dial:
0800-0713579 (toll-free) or 0031-50-8505 798
From other countries
0031-50-8505 798
Do not send personal or sensitive information via WhatsApp.
Via e-mail
Do not send personal or sensitive information to these email addresses.
Mail to: info@iconclinicaltrials.com
Or use our contact form.
Do you have a question about your payment?
Please send an email to:
InfoVolunteerPayments@iconplc.com
Short visits and follow-up
Are you participating in a study and do you have a question about your short visits or your follow-up appointment?
Send an email to:
ICONambvisits@iconplc.com
Are you running late or unable to attend? Please call the location where your appointment is scheduled.
Groningen: 0031-6-214 43 777
Utrecht: 0031-50-851 58 30
How you can also reach us
Postal address
Postal address
Antwoordnummer 693
9700 WB Groningen
The Netherlands
An overview of our locations
Our locations
You can find us at the following locations:
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Van Swietenlaan 6, 9728 NZ Groningen
Traveling by car: We advise you to come by public transport or park at a P+R and take the bus from there to the research centre. Here you'll find the different P+R locations in Groningen. In addition, the Hoornsemeer parking lot is nearby. From here you can take line 9 and be at the research center within 8 minutes. Or view the directions on Google maps.
Are you coming by bike? You can park your bicycle next to the entrance to the ICON car park (near the barrier).
Traveling by public transport: City bus 9 or 19 from NS Groningen Main Train Station, get off at the bus stop Martini Ziekenhuis Zuid. View the travel options at 9292.nl
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YinYang building, Euclideslaan 1, 3584 BL Utrecht
Traveling by car:
Parking is available at the YinYang Building. At the entrance gate, a parking ticket can be purchased by scanning the QR code and paying online. Parking costs are at your own expense.
This parking facility is not managed by ICON. For assistance, please refer to the instructions on the information board.Alternatively, you can park at P+R Transferium Science Park Utrecht (formerly De Uithof). From there, take bus 28 towards Vleuterweide and get off at Rijnsweerd Noord stop. View the route on Google maps.
Here you can find various parking options in Utrecht.Are you coming by bike? You can park your bicycle next to the entrance to the ICON car park (near the barrier).
Traveling by public transport: Bus number 28 from Utrecht Centraal station toward P+R Transferium Science Park, get off at the bus stop Rijnsweerd Noord. View the travel options at 9292.nl
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Hanzeplein 1 - entrance 24 (corridor GO), 9713GZ Groningen
The Clinical Research Unit Groningen (CRU) is located on the UMCG site in the Triade Building, entrance 24, corridor G0. View the directions on Google maps
Traveling by car: park in the parking garage "UMCG Noord" of the UMCG. Parking costs are at your own expense. View the directions on Google Maps.
Traveling by public transport: City bus 5 of 6 from NS Groningen Main Train Station, get off at the bus stop UMCG Hoofdingang. View the travel options on op 9292.nl
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Amerikaweg 18, 9407 TK Assen.
View the directions on Google maps
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Paterswoldseweg 811, 9728 BM Groningen.
View the directions on Google map